Finding the Fourth Proportional to 258,110,175.76, 387,240,813.61 and 83,229,692.63
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Solution
The fourth proportional to 258,110,175.76, 387,240,813.61 and 83,229,692.63 is: 124,868,900.63
Step by Step Solution
- Step 1: Write the proportion equation
258,110,175.76 : 387,240,813.61 = 83,229,692.63 : x - Step 2: Convert to fraction form
258,110,175.76/387,240,813.61 = 83,229,692.63/x - Step 3: Cross multiply
258,110,175.76x = 387,240,813.61 × 83,229,692.63 - Step 4: Simplify right side
258,110,175.76x = 32,229,933,888,615,216 - Step 5: Solve for x
x = 32,229,933,888,615,216/258,110,175.76 - Step 6: Final answer
x = 124,868,900.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.